The 26-year-old Heerenveen striker is understood to have arrived on Teesside as the two clubs worked to finalise a move which will cost Boro significantly more than the £8.15million they paid Empoli for Massimo Maccarone during the summer of 2002.
However, while agreement is close, there are still details to thrash out before the Brazilian´s work permit appeal is heard on Wednesday.
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